Regressions on trunk at revision 245094 vs revision 245081

[H.J. Lu ia32 -fpic]

New failures:

New passes:
FAIL: gcc.dg/graphite/scop-dsyr2k.c scan-tree-dump-times graphite "number of SCoPs: 1" 1
FAIL: gcc.dg/graphite/scop-dsyrk.c scan-tree-dump-times graphite "number of SCoPs: 1" 1